Home / 1,269,030.09-1,903,554.90-427,569.69

Finding the Fourth Proportional to 1,269,030.09, 1,903,554.90 and 427,569.69

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Solution

The fourth proportional to 1,269,030.09, 1,903,554.90 and 427,569.69 is: 641,357.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,269,030.09 : 1,903,554.90 = 427,569.69 : x
  2. Step 2: Convert to fraction form
    1,269,030.09/1,903,554.90 = 427,569.69/x
  3. Step 3: Cross multiply
    1,269,030.09x = 1,903,554.90 × 427,569.69
  4. Step 4: Simplify right side
    1,269,030.09x = 813,902,378,490.98
  5. Step 5: Solve for x
    x = 813,902,378,490.98/1,269,030.09
  6. Step 6: Final answer
    x = 641,357.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.